AU2004285875B2 - Process for enriching extracts of natural theanine - Google Patents

Process for enriching extracts of natural theanine Download PDF

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Publication number
AU2004285875B2
AU2004285875B2 AU2004285875A AU2004285875A AU2004285875B2 AU 2004285875 B2 AU2004285875 B2 AU 2004285875B2 AU 2004285875 A AU2004285875 A AU 2004285875A AU 2004285875 A AU2004285875 A AU 2004285875A AU 2004285875 B2 AU2004285875 B2 AU 2004285875B2
Authority
AU
Australia
Prior art keywords
theanine
extract
nanofiltration
tea
eluate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU2004285875A
Other languages
English (en)
Other versions
AU2004285875A1 (en
Inventor
Athula Ekanayake
Jianjun Justin Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of AU2004285875A1 publication Critical patent/AU2004285875A1/en
Application granted granted Critical
Publication of AU2004285875B2 publication Critical patent/AU2004285875B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/22—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton
    • C07C237/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C237/06—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Seasonings (AREA)
AU2004285875A 2003-10-21 2004-10-15 Process for enriching extracts of natural theanine Ceased AU2004285875B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/689,910 2003-10-21
US10/689,910 US7303773B2 (en) 2003-10-21 2003-10-21 Process for enriching extracts of natural theanine
PCT/US2004/034046 WO2005042470A1 (en) 2003-10-21 2004-10-15 Process for enriching extracts of natural theanine

Publications (2)

Publication Number Publication Date
AU2004285875A1 AU2004285875A1 (en) 2005-05-12
AU2004285875B2 true AU2004285875B2 (en) 2008-10-16

Family

ID=34521504

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2004285875A Ceased AU2004285875B2 (en) 2003-10-21 2004-10-15 Process for enriching extracts of natural theanine

Country Status (9)

Country Link
US (1) US7303773B2 (zh)
EP (1) EP1675819A1 (zh)
JP (1) JP2007509145A (zh)
CN (1) CN1871206A (zh)
AU (1) AU2004285875B2 (zh)
BR (1) BRPI0415614A (zh)
CA (1) CA2545029A1 (zh)
MX (1) MXPA06004416A (zh)
WO (1) WO2005042470A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0421827D0 (en) * 2004-10-01 2004-11-03 Unilever Plc Process for making tea extracts
WO2008138706A1 (en) 2007-05-11 2008-11-20 Unilever Plc Process for purifying theanine
JP5237857B2 (ja) * 2009-03-03 2013-07-17 小川香料株式会社 香味劣化防止剤
CN101805269A (zh) * 2010-04-08 2010-08-18 晋江市恒源科技开发有限公司 一种分离提取天然茶氨酸的方法
KR101177060B1 (ko) * 2010-07-15 2012-08-24 거창생약자원영농조합법인 생약농축액이 함유된 기능성 쌀의 제조방법 및 상기 방법으로 제조된 기능성 쌀
WO2013118152A1 (en) * 2012-02-10 2013-08-15 Council Of Scientific & Industrial Research "a solvent free process for purification of free bio-amino acids"
CA2892815A1 (en) 2012-12-19 2014-06-26 Unilever Plc Ready-to-drink tea-based beverage comprising cellulose microfibrils derived from plant parenchymal tissue
KR101492993B1 (ko) * 2013-01-31 2015-02-12 경상대학교산학협력단 차나무 추출물로부터 데아닌의 정제방법
CN103058882B (zh) * 2013-02-04 2014-06-18 湖南省茶业集团股份有限公司 一种分离天然茶氨酸的方法
WO2015094224A1 (en) * 2013-12-18 2015-06-25 Nestec S.A. Methods for increasing the clarity and refreshing attributes and reducing the bitterness and astringency of green tea
US10463054B2 (en) * 2015-05-20 2019-11-05 Teaspressa Llc Methods of tea extraction
CN112479923A (zh) * 2021-01-11 2021-03-12 华茂(湖州)保健品有限公司 一种从茶多酚工业废液中提取茶氨酸的方法
CN113831257A (zh) * 2021-09-03 2021-12-24 华南理工大学 一种通过逆流萃取一次提取和纯化茶叶废料中三种活性成分的方法
CN114082222B (zh) * 2021-10-25 2023-03-17 青海大学 狭果茶藨子游离氨基酸纯化方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1057483A1 (en) * 1998-02-23 2000-12-06 Taiyo Kagaku Co., Ltd. Composition comprising theanine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141611A (en) * 1985-05-16 1992-08-25 Memtec Limited Removing and recovering plant polyphenols
US5280901A (en) * 1993-03-24 1994-01-25 Xerox Corporation Sheet variable corrugating and feeding nip
US6063428A (en) * 1996-02-26 2000-05-16 The Procter & Gamble Company Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color
JP3152416B2 (ja) 1996-12-12 2001-04-03 株式会社 伊藤園 茶の製造方法
JP3670100B2 (ja) 1996-12-25 2005-07-13 シロキ工業株式会社 車両のキーシリンダロック装置
JP3072979B2 (ja) 1997-08-22 2000-08-07 奈良県 粉末茶類の製造方法及び粉末茶類
US5997929A (en) * 1997-11-03 1999-12-07 Nestec S.A. Extraction process
NL1010880C2 (nl) * 1998-12-23 2000-06-26 Adm Cocoa B V Werkwijze voor het isoleren van aroma's uit een cafeïne- of theobrominebevattende voedingsmiddelgrondstof.
US6210679B1 (en) * 1999-01-07 2001-04-03 Hauser, Inc. Method for isolation of caffeine-free catechins from green tea
EP1767097A3 (en) 1999-08-16 2007-04-04 DSMIP Assets B.V. Green tea extracts
JP3537794B2 (ja) 2001-10-03 2004-06-14 長谷川香料株式会社 茶類エキスの製造方法
JP4031294B2 (ja) 2002-06-07 2008-01-09 株式会社 伊藤園 テアニンの製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1057483A1 (en) * 1998-02-23 2000-12-06 Taiyo Kagaku Co., Ltd. Composition comprising theanine

Also Published As

Publication number Publication date
BRPI0415614A (pt) 2006-12-05
CA2545029A1 (en) 2005-05-12
US20050084544A1 (en) 2005-04-21
CN1871206A (zh) 2006-11-29
AU2004285875A1 (en) 2005-05-12
JP2007509145A (ja) 2007-04-12
WO2005042470A1 (en) 2005-05-12
EP1675819A1 (en) 2006-07-05
US7303773B2 (en) 2007-12-04
MXPA06004416A (es) 2006-06-20

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired